Mount adapter bracket



FIG. 1 is a perspective view of the mount adapter bracket.

FIG. 2 is a bottom view of the mount adapter bracket.

FIG. 3 is a top view of the mount adapter bracket.

FIG. 4 is a left side view of the mount adapter bracket.

FIG. 5 is a right side view of the mount adapter bracket.

FIG. 6 is a front view of the mount adapter bracket; and,

FIG. 7 is a rear view of the mount adapter bracket.

The broken lines in the drawings illustrate portions of the mount adapter bracket, which form no part of the claimed design. 

CLAIM The ornamental design for a mount adapter bracket, as shown and described. 